Seiko Cal. 5242 - 787

The Seiko 5242-787 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-81f8dd74696d]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1965

Related Models

• Seiko 0724-887
• Seiko 4484-666
• Seiko 6630-265
• Seiko 6225-288
• Seiko 6349-848
• Seiko 3879-519
• Seiko 7132-859
• Seiko 7199-291
• Seiko 0796-556
• Seiko 0734-580
• Seiko 3836-868
• Seiko 5248-641